body{
	overflow-x: hidden;
	margin: 0px;
	background: -webkit-linear-gradient(top,#000000,#808080);
}

#mainbody{
	margin: auto;
	width: 1230px;
	height: 80%;
}
#top{
	width: 100%;
	height: 150px;
	position: relative;
}
#bottom{
	width: 100%;
	height: 580px;
}
#nextpart{
	position: relative;
	bottom: 0px;
	width: 120%;
	height: 40px;
	border: 1px solid #B8785D;
	background-image: url(../img/图片4.jpg);
}
.logo{
	width: 20%;
	height: 120px;
	position: relative;
}

.navigationbar{
	width: 70%;
	height: 50px;
	position: absolute;
	right: 0px;
	bottom: 30px;
}
.navigationbar_back{
	width: 100%;
	height: 100%;
	position: relative;
}
.text{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0px;
	top: 0px;
}
.img2{
	width: 16%;
	height: 48px;
	position: absolute;
	top: 0px;
	left: 0px;
}
.img3{
	width: 16%;
	height: 48px;
	position: absolute;
	top: 0px;
	left: 21%;
}
.img4{
	width: 16%;
	height: 48px;
	position: absolute;
	top: 0px;
	left: 42%;
}
.img5{
	width: 16%;
	height: 48px;
	position: absolute;
	top: 0px;
	right: 20%;
}
.img6{
	width: 16%;
	height: 48px;
	position: absolute;
	top: 0px;
	right: -6px;
}
.icon{
	width: 20%;
	height: 30px;
	position: absolute;
	right: 0px;
	top: 0px;
}
.icon_back{
	widows: 100%;
	height: 100%;
}
ul li{
	float: left;
	list-style-type: none;
}
.navigationbar a:link{
	color: darkgrey;
	font-size: 17px;
	text-decoration: none;
}
.navigationbar a:hover{
	font-size: 15px;
	color: gray;
}
.icon_login{
	width: 50%;
	height: 50%;
	position: absolute;
	top:0px;
	left: 8px;
	}
.icon_login_text{
	width: 60%;
	height: 30%;
	position: absolute;
	top: 50px;
	right: 10px;
}
.icon_login_text2{
	width: 100%;
	height: 20px;
	position: absolute;
	bottom: 8px;
	color: white;
}
.text span a:link{
	text-decoration: none;
}
